Oregon earthquakes

M2.7 earthquake 197 km W of Langlois, Oregon

A magnitude 2.7 earthquake struck 197 km W of Langlois, Oregon on Fri, Jul 16, 2021, 10:16 PM PDT (05:16 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 239 km W of Bandon, Oregon. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.7 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-07-17 05:16:26 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
43.208° N, 126.845° W
Region
Oregon
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
265°, poorly surrounded by stations
Stations used
35

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 7 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000emtp. Read Mon, Oct 5, 2026, 1:54 PM UTC.